2x^2-8/100

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Solution for 2x^2-8/100 equation: 


x in (-oo:+oo)

2*x^2-(8/100) = 0

2*x^2-2/25 = 0

2*x^2 = 2/25 // : 2

x^2 = 1/25

x^2 = 1/25 // ^ 1/2

abs(x) = 1/5

x = 1/5 or x = -1/5

x in { 1/5, -1/5 }

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